| Author: | Brnich, M. J. |
|---|---|
| Additional Authors: | Kellner, H. J. |
| Year: | 1989 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 9236 |
| Subjects: | Communicable diseases--Prevention |
| Self-contained self-rescuer (Mine rescue equipment)--Safety measures | |
| Link: | https://hdl.handle.net/2027/mdp.39015078458307 |